300820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:124

約数の個数: 36

約数和(自身を含む): 691740

約数和(自身を除く): 390920

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 169, 178, 260, 338, 356, 445, 676, 845, 890, 1157, 1690, 1780, 2314, 3380, 4628, 5785, 11570, 15041, 23140, 30082, 60164, 75205, 150410, 300820]

約数ペア:

[(1, 300820), (2, 150410), (4, 75205), (5, 60164), (10, 30082), (13, 23140), (20, 15041), (26, 11570), (52, 5785), (65, 4628), (89, 3380), (130, 2314), (169, 1780), (178, 1690), (260, 1157), (338, 890), (356, 845), (445, 676)]